GULFTENE C16-18 ISOMERISED OLEFINS - NICNAS

GULFTENE C16-18 ISOMERISED OLEFINS - NICNAS GULFTENE C16-18 ISOMERISED OLEFINS - NICNAS

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Method of administration: A single semi occluded application of 0.5 mL of the neat test substance to intact skin; after 4 hours residual test substance was removed by gentle swabbing with liquid paraffin; A contralateral area of untreated skin served as the control site. Control sites were similarly swabbed. Test method: OECD TG 404 Dermal effects: Mean group score (24, 48 & 72 hour observation): No evidence of skin irritation was observed, all individual scores were zero. Erythema/eschar formation: 0.0 Oedema: 0.0 Result: C20-24 Alkenes, branched and linear was non irritating to the skin of rabbits. FULL PUBLIC REPORT 26 April 2000 NA/713 Page 48 of 100

9.1.5.8 Acute Dermal Irritation of Other Alkenes (HEDSET 1-Octadecene) The following data, unless otherwise indicated, are taken from HEDSET data sheets for 1dodecene 1-tetradecene 1-hexadecene and 1-octadecene. The full study reports were not provided in the submission. The HEDSET documents indicate these tests were not conducted in accordance with GLP or OECD or EC testing guidelines. In each case New Zealand white rabbits were administered single dermal doses of 10 g/kg of test substance. The results below represent application of the test substance to non-abraded skin. The HEDSET documents reported each of the test substances as non-irritating. Test Substance Mean group score (24, 48 & 72 hour observation) Erythema Oedema C12 - C26* Olefin/Paraffin H18 0.0 B 0.0 C14 – C16* Olefin H14 PDS = 1.2 B - C14 – C18* Olefin H18 PDS = 0.14 B - C14-C18* Olefin/Paraffin H18 0.0 B 0.0 C14 – C18* Olefin H14 PDS = 0.14 B - C14 – C18* Olefin/Paraffin H18 0.0 B 0.0 C14 - C26 olefin H14 PDS = 0.0 B - C14 – C26* Olefin/Paraffin H18 0.0 B 0.0 C16-C18 olefin H16 PDS = 0.2 B - 1-octadecene H18 1.2 AE 0.1 Neodene 18 alpha olefin H18 2.17 A (PII = 3.2) 0.94 SHOP alpha olefin C18 H18 1.2 A (PII = 1.3) 0.1 C18 – C24* Olefins H18 0.0 B 0.0 C18 – C26* Olefin/Paraffin H18 0.0 B 0.0 C18 – C30* Olefin/Alcohol H18 0.0 B 0.0 *Purity not specified. A – 4 hour exposure period. B – 24 hour exposure period. E – Erythematous reaction persisted to Day 14. At Day 16 the skin was dry and flakey. PDS – Primary Dermal Index Score. PII – Primary Irritation Index. H14 (EU 1995) H16 (EU 1995) H18 (EU 1995) FULL PUBLIC REPORT 26 April 2000 NA/713 Page 49 of 100

9.1.5.8 Acute Dermal Irritation of Other Alkenes (HEDSET 1-Octadecene)<br />

The following data, unless otherwise indicated, are taken from HEDSET data sheets for 1dodecene<br />

1-tetradecene 1-hexadecene and 1-octadecene. The full study reports were not<br />

provided in the submission.<br />

The HEDSET documents indicate these tests were not conducted in accordance with GLP or<br />

OECD or EC testing guidelines.<br />

In each case New Zealand white rabbits were administered single dermal doses of 10 g/kg of<br />

test substance. The results below represent application of the test substance to non-abraded<br />

skin. The HEDSET documents reported each of the test substances as non-irritating.<br />

Test Substance Mean group score (24, 48 & 72 hour observation)<br />

Erythema Oedema<br />

C12 - C26* Olefin/Paraffin H<strong>18</strong> 0.0 B 0.0<br />

C14 – <strong>C16</strong>* Olefin H14 PDS = 1.2 B -<br />

C14 – C<strong>18</strong>* Olefin H<strong>18</strong> PDS = 0.14 B -<br />

C14-C<strong>18</strong>* Olefin/Paraffin H<strong>18</strong> 0.0 B 0.0<br />

C14 – C<strong>18</strong>* Olefin H14 PDS = 0.14 B -<br />

C14 – C<strong>18</strong>* Olefin/Paraffin H<strong>18</strong> 0.0 B 0.0<br />

C14 - C26 olefin H14 PDS = 0.0 B -<br />

C14 – C26* Olefin/Paraffin H<strong>18</strong> 0.0 B 0.0<br />

<strong>C16</strong>-C<strong>18</strong> olefin H16 PDS = 0.2 B -<br />

1-octadecene H<strong>18</strong> 1.2 AE 0.1<br />

Neodene <strong>18</strong> alpha olefin H<strong>18</strong> 2.17 A (PII = 3.2) 0.94<br />

SHOP alpha olefin C<strong>18</strong> H<strong>18</strong> 1.2 A (PII = 1.3) 0.1<br />

C<strong>18</strong> – C24* Olefins H<strong>18</strong> 0.0 B 0.0<br />

C<strong>18</strong> – C26* Olefin/Paraffin H<strong>18</strong> 0.0 B 0.0<br />

C<strong>18</strong> – C30* Olefin/Alcohol<br />

H<strong>18</strong><br />

0.0 B 0.0<br />

*Purity not specified.<br />

A<br />

– 4 hour exposure period.<br />

B<br />

– 24 hour exposure period.<br />

E<br />

– Erythematous reaction persisted to Day 14. At Day 16 the skin was dry and flakey.<br />

PDS – Primary Dermal Index Score.<br />

PII – Primary Irritation Index.<br />

H14<br />

(EU 1995)<br />

H16<br />

(EU 1995)<br />

H<strong>18</strong><br />

(EU 1995)<br />

FULL PUBLIC REPORT 26 April 2000<br />

NA/713 Page 49 of 100

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